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Question: Answered & Verified by Expert
According to Hess's law, how can bond enthalpies be calculated?
ChemistryThermodynamics (C)NEET
Options:
  • A By measuring the temperature change during bond formation.
  • B By averaging the bond strengths of different compounds.
  • C By calculating the enthalpy change for a reaction using bond enthalpies of reactants and products.
  • D By measuring the electrical conductivity of a substance.
Solution:
2039 Upvotes Verified Answer
The correct answer is: By calculating the enthalpy change for a reaction using bond enthalpies of reactants and products.
Hess's law allows us to calculate bond enthalpies by determining the enthalpy change of a reaction and using bond enthalpies of the substances involved.

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